Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
Patents for F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids (6,201)
06/2005
06/16/2005US20050129557 Electric compressor
06/16/2005US20050129551 Variable capacity rotary compressor
06/16/2005US20050126194 Refrigerant cycle apparatus
06/09/2005US20050123418 Compact compressors and refrigeration systems
06/08/2005EP0926344B9 Seal structure for casing
06/08/2005CN1205412C Scroll type compressor
06/08/2005CA2488985A1 Compact compressors and refrigeration systems
06/07/2005US6902380 Vacuum pump with pump rotor pairs and permanent magnet motor
06/02/2005WO2005050023A1 Compressor
06/02/2005US20050118035 Multistage dry vacuum pump
06/02/2005US20050115055 Assembly method of motor housing and stator core of sealed type motor-driven compressor
06/02/2005DE10351456A1 Four-stroke flywheel internal combustion engine comprises two gearwheels, charging pistons or charging rotors and a working rotor as a flywheel fixed to the gearwheels, and a roller mounted in between as a rotating obstruction
06/01/2005EP1536140A1 Multistage dry vacuum pump
06/01/2005EP1535773A2 Compressor and method of manufacturing the same
06/01/2005EP1407148B1 Apparatus for controlling the pressure in a process chamber and method of operating same
06/01/2005CN1621693A 可变容量回转式压缩机 The variable capacity rotary compressor
06/01/2005CN1621692A 可变容量回转式压缩机 The variable capacity rotary compressor
06/01/2005CN1621691A 可变容量回转式压缩机 The variable capacity rotary compressor
06/01/2005CN1621690A Aerostatic press
06/01/2005CN1204340C Closed electric compressor and assembling method thereof
05/2005
05/31/2005US6898948 Screw compressor
05/26/2005WO2005047704A1 Two stage scroll vacuum pump
05/26/2005US20050112011 Scroll compressor
05/26/2005US20050112010 Variable capacity rotary compressor
05/26/2005US20050112009 Variable capacity rotary compressor
05/26/2005US20050112008 Variable capacity rotary compressor
05/26/2005US20050111994 Motor compressor
05/25/2005EP1533527A1 Assembly method of motor housing and motor stator of sealed type compressor
05/25/2005EP1533523A2 Motor compressor
05/25/2005EP1273468B1 On-vehicle air conditioner
05/25/2005CN2702088Y Coaxial multi-pieces single screw type air compressor
05/25/2005CN1620554A Suction mechanism of rotary compressor
05/25/2005CN1619924A Assembly method of motor housing and motor stator of sealed type compressor
05/25/2005CN1619152A Hermetic scroll compressor
05/25/2005CN1619151A 马达压缩机 Compressor motor
05/25/2005CN1619150A Double cylinder closed rotary compressor and refrigerating air-conditioning device
05/24/2005US6896496 Compressor assembly having crankcase
05/24/2005US6896493 Scroll compressor
05/24/2005CA2331589C Compressor unit for refrigeration
05/24/2005CA2150959C Cyclothermic converter vane pump and impeller system
05/19/2005US20050106037 Hermetic compressor
05/18/2005CN1616828A Fluid compressor
05/17/2005US6893242 Compressor with Z-plate
05/17/2005US6893237 Horizontal compressor
05/17/2005US6893235 Scroll compressor
05/17/2005US6893229 Vacuum preventing device of scroll compressor
05/17/2005US6892454 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit
05/12/2005WO2005043659A2 Fuel cell system
05/12/2005WO2005042979A1 Rotary dry vacuum pump
05/12/2005US20050100449 Compressor diagnostic and recording system
05/12/2005US20050099075 Hermetic motor and gas booster
05/12/2005DE10084486B4 Ausrichtung der Lager der Kurbelwelle eines Spiralverdichters Alignment of the bearing of the crankshaft of a scroll compressor
05/11/2005EP1529959A1 Scroll fluid machine
05/10/2005US6891049 Method for producing N-alkoxy-N-alkylamides
05/10/2005US6889512 On-vehicle air conditioner
05/06/2005WO2005040614A1 Multistage vacuum pump with improved efficiency
05/06/2005WO2005040610A1 Compressor
05/03/2005US6887058 Fluid machinery
05/03/2005US6887051 Scroll air supply apparatus having a motor shaft and a mechanism shaft
05/03/2005US6887050 Compressor having bearing support
04/2005
04/28/2005WO2005038256A1 Scroll compressor
04/28/2005WO2005038255A2 Evacuation apparatus
04/28/2005US20050089431 Guide device for the movable scroll of a scroll compressor
04/28/2005US20050089424 Multi-stage vacuum pump
04/28/2005US20050089413 Multistage compression type rotary compressor and cooling device
04/28/2005US20050086960 Refrigerating machine
04/27/2005EP1526283A1 Compressor
04/27/2005CN2695685Y Coaxial double-joint single spiral-lobe three-star-gear air compressor
04/27/2005CN1610767A Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor
04/27/2005CN1610735A Process for producing lubricant base oil
04/27/2005CN1609451A 压缩机 Compressor
04/26/2005US6884046 Scroll compressor
04/26/2005US6884043 Fluid circulation path for motor pump
04/20/2005CN1608173A Hermetic compressor
04/20/2005CN1608172A Compressor and overload protecting apparatus
04/20/2005CN1607332A 变容旋转压缩机 Variable capacity rotary compressor
04/20/2005CN1198104C Sealed compressor
04/19/2005US6881046 Scroll type fluid machine
04/19/2005US6881041 Compressor within motor rotor
04/14/2005US20050079071 Variable capacity rotary compressor
04/13/2005EP1522733A2 Rotary vane compressor with vane holding plug
04/13/2005CN2692379Y Two stage transcylinder rolling piston type compressor
04/13/2005CN1196863C Alignment method for bearings of crankshaft of scroll compressor and device for carrying out the same method
04/12/2005US6877340 Expander
04/07/2005WO2005031164A1 Compressor
04/07/2005WO2004083643B1 Positive-displacement vacuum pump
04/07/2005US20050074354 Compressor and method of manufacturing the same
04/07/2005US20050072183 Oil equalizing system for multiple compressors
04/07/2005US20050072173 Refrigerant cycle apparatus
04/06/2005EP1520990A2 Rotary compressor
04/06/2005EP1520989A2 Horizontal type rotary compressor
04/06/2005CN1603628A 可变容量旋转压缩机 Variable capacity rotary compressor
04/06/2005CN1603627A 变容旋转压缩机 Variable capacity rotary compressor
04/06/2005CN1603626A Horizontal type compressor and automobile air conditioner equipped with the same
04/06/2005CN1603625A Rotary compressor, and car air conditioner and heat pump type water heater using the compressor
04/06/2005CN1603624A Compressor and method of manufacturing the same
04/06/2005CN1603623A 变容旋转压缩机 Variable capacity rotary compressor
04/06/2005CN1195965C Heat pump device and compressor used for the same
04/05/2005US6874996 Compressor having independently driven members
04/05/2005US6874989 Vacuum pump
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